Hitachi DM 20V, Technical Data And Service Manual, Page: 6 / 31

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HITACHI: DM 20V
HITACHI: DV 20VB2
H
C1
B
C2
100
136
84
93
90
91
100 50 0
(%)
HITACHI: DM 20V
HITACHI: DV 20VB2
H
C1
B
C2
94.6
99.7
99.3
97.4
96.3
100.3
95
85
(dB)
HITACHI: DM 20V
HITACHI: DV 20VB2
H
C1
B
C2
5.2
15.7
16.2
12.4
6.7
17.3
5 0 10
(m/s 2 )
15
20
HITACHI: DM 20V
HITACHI: DV 20VB2
H
C1
B
C2
3.0
10.3
11.2
8.6
4.0
13.1
5
0 10
(m/s 2 )
(1) Full load vibration
Z axias (Material: Mortar, Drill bit: 8 mm dia.)
1
3 axias (Material: Mortar, Drill bit: 8 mm dia.) 2
(2) Full load sound pressure level (Material: Mortar, Drill bit: 8 mm dia.)
(3) Drilling speed (Material: Mortar, Drill dia.: 13 mm, Pushing force: 150 N)